Controlling means for internal-combustion engines.



APPLICATION min FEB. 10, 1906 w M M1 g m 3 m M M. z a P forked end ofwhich is jointed at (l to the laterally extending link 01*. The latteris pivoted at d upon the engine casing but has interior connections witha centrifugal governor, conventionally represented atd, the

fitter driven through appropriate gearing from the engine shaft, so thatwith changes in engine speed the link 11* is moved about its pivot,causing the throttle valve to he slid in one directionor the other uponits seat,

When the engine is at rest the governor weights draw the throttle valveto the full line position shown in Fig. 2. As soonas --the enginereaches normal speed, movement 'weights, as is usual, act against therestrainin effect of one or more springs.

n orderto render the acting of-the' governor adjustable at will duringthe operation as of the engine, thereby to alter the speed to which thegovernor tendsto regulate the some, the springs, or other yieldableelebe adjusted and preferably remains easilywithin the reach of theoperator during the i 0- ments, against which the governor weightsact,-are preferablyrendered manually adjustable. This adjustment, ifdesired, might take place at the governor itself, where the rincipalgovernor controlling springs are ocated, but preferably there isprovided an additional yielding member, more accessibly located andagainst which the governor is forced to act,. at least during-periods ofcritical control,'. which spring member may running of the vehicle. I vp Referring to the drawings, there is provided the auxiliary actuatingrod e, having a sliding fit in the rear wall of the mixing chamber theforward end ofv said rod being loosely mounted in the bodyof the pistonvalve and opposed to the end of the actii'ating rod d, butpreferablyseparated therefrom by a short space when the valve is in its extremeposition to the right, as shown la,e the governor movement toan extentwhich is dependent upon the degree of spring compression. To render thelatter readily adjustable by the operator, the collar is secured to alink 6 jointed to a horizontal arm 6, the latter fixedly scoured to theu'pper end of a short upright shaft e,

journaled in a, bracket 0*, to the lower end of which is secured thesegmental bevel gear e. The latter meshes with a similar gear 0 upon theextreme lower end of the shaft rod 'e, which passes interiorly throughthe controlling post B f r its entire length and is provided at itsextreme upper end. with an operating arm or. handle a. A segmentalratchet which is partly shown at 6 is.

fixed upon the end of the controlling post and with;this aspring-pressed tooth or pawl (not; shown, but of a common form) upon theend of the lever e engages, so

that the latter may be held in any position."

in which it is moved.

It will be evident that the spring eiimight be proportioned so as tocause the two rods to abut against each other in all positions of thevalve, but I prefer so to construct'it that thespring is ineffective toforce/the actuating-rod e beyond some such position loo turn with thesteering wheel and movement of the latter therefore has no effect on thethrottle.

' A second hand lever f is connected to a sleeve f" within thecontrolling post, the,

latter h-a-iving'at its lower end the bevel gear f meshing with thesegmental gear whereby the upright sleevef also journale in the brackete -is turned, givin a fore .or' aft movement to the actuatin ever inFig. 2. hen the engine starts, the valve moves to the left to partiallyclose the port I) without opposition until the end of one rod abutsagainst the other, when further closing movement can take place, onlythrough displacement of the auxiliary actuating rod e. The latter at'therear of, and exterior to, the mixing chamber, has a collar 6 betweenwhich and the adjustable but rclatively fixedcollar 6 is a compressionspring-e which therefore when compressed acts to oppose backwardmovement of the auxiliary actuating rod e. After the engine has startedand the valveis moved to the dotted line position shown in Fig. 2, the

spring e may be made to oppose and reguwhich shifts the cam shaft (not sown) or varying the action of the ignition cams and advancing orretarding the time of ignition.

In addition to the governor control over the throttle described, thereis also provided additional means for varying the fuel supply ormaintaining an increased supply, irrespective of the engine speed, 'onepractical advantage of such a device in connection with a motor vehicleengine being its action. as an accelerator temporarily to accelerate theengine speed when the speed afforded through the governor control islower than desired. For this purpose the actuating rod 6 has slidablysecured to its rear end the cap y which latter is connected to be movedforwardly or backwardly by the yoke-shaped lever g, pivoted at {7 andhaving the rearwardly and downwardly'inclined arm 9 The lever g isnormally retracted by the spring 9" so as to bring the cap 91 againstthe abutment upon the controlling post, there being provided in thisposition of the cap a considerable clearance between the inner wall ofthe same and the end of the actuating rod so that the latter is free tobe moved, without conflict with the cap, in one direction or the otherthe throttle valve responds to the control of the against the action ofthe governor and there maintained as long desired.

In operation the proper adjustment or the governor weights and springsprovide regulations for any usual or suitable engine speed. If theoperator wishes to increase this speed, either for the instant or forany length of time, he has merely to place the spring e undercompression by turning the hand throttle lever a and by setting saidlever to correspond to different degrees of compression of the spring,he can accelerate the action of the engine either slightly or to a verygreat extent.

lVhether the throttle is under the 'sole control of the governor orunder the control of the governor acting in opposition to the spring 6*,foot pressure upon the accelerator rod g may be employed to force thethrottle open and temporarily accelerate the speed and supersede thegovernor control.

While the compression spring 0* might be placed in other relations tothe throttle and its governor, I prefer to place it upon some such partas the rod 0 between which and the throttle there is some degree of lostmotion. Vhen the engine speeds up and the governor weights fly out, theytend to cause the throttle valve to overthrow its true posi tion. Ifthere is a light compression placed upon the spring 6*, however, ittends to cushion the movement of the valve toward its close and preventthe overthrow lhereot'.

During the operation of the engine a r charged with the gaseous vapor isconstantly available for the mixing chamber from the underlyingcarburetor in an amount 1)1O})Ol'- tioned to the demands of the engine.This mixture, however, ordinarily requires to be diluted with a furthermixture of air. To permit this, there is provided means forautomatically admitting to the mixing chamber a quantity of airproportioned to the re quirenients and running conditions of the engine.For this purpose there is provided an air admission chamber Z. in thecasing" K, the latter secured to the top of the castingin which isforn'ied the mining chamber. there being free communication between thelatter and the admission clian'iber Z: The top of the casino has a capit" threaded therein and having a central opening which may be o by theplate valve F. the latter engagseat formed on the lower side of the Thevalve provided with a stem 7J3. Sirililbld in the hearing 7rd. which iscarried by spider formed upon the cap. The valve ormally held to itsseat by the spring 7.?" a ing against the washer which adlv secured tothe valve spindle. (hi

do so oi pressure within the casing: l; the valve Z tends to open andadmit the 110cc:-

sarv supply of air. maintaining such supply so long as is requisite. Theamount oi? auxiliary air needed will be greater as the engine speedincreases, but inasmuch as increase or decrease in engine speed isfollowed by increase or dew "rin the suction created by the engine p ,i..i. this suction acting within the air a lmission cliamhcr Z upon thelower side the plate valve. will tend to position the latter accordingto the speed of the LllfJlIlO.

lv'hile l have shown and dcscrihed in detail one embodiment of myinvention. it is to be understood that the same not limited to thedetails disclosed or the 'jilllll 1rvelativc arrangement of parts. or tothe particular application of the invention herein set forth. hut thatmany modifications and departures therefrom may be made ithout deviatingfrom the spirit oi the invention.

I claim I 1. An internal combustion engine having a fuel chamber, athrottle valve in said chamber, a controlling" member secured to saidvalve and passing through one end of said chamber, a speed governorconnected with said controllin; membci, a second controlling memlicroperativcly related to said valve and pass. g through the opposite endof said cliamocr, an adjustable spring opcrativcly related to saidsccond member and opposing the movement of said valve by said governor.and an accelerating device also operativelvrelated to said second memberfor temporarily controlling said valve t the exclusion oi said governor.

2. An internal combustion engine having a gas chamber, a piston throttlevalvc slidahle in said chamber, a rod secured to one end oi said valveand through which the valve mav he moved to control the fuel supply tothe engine, a governor connected to said ontrolling rod. a second rodoperativel v related to said valve but extending through said chamber inthe opposite direction, an adjustable spring for acting upon saidsecondfrod to cause the latter to oppose governor controlled movement ofthe' valve, and an acceleratoroperatively disconnected from said secondrod but adapted to be moved at will to control the same and move thethrottle to supersede the governor control thereof.

3. An internalcombustion engine having a. carbureter, a mixing chamberad acent thereto, a piston throttle valve in said chamber, a rodconnected to said valve to move the same and control-the fuel supply tothe engine, a governor connected to said rod, an auxiliary actuating rodalso operatively related fto said valve and extending in the oppositedirection and-controlling means connected to said*auxiliary actuatingrod temporarily to control the valve to the exclusion of the governor.

4. An internal combustion engine having a gas chamber, .a pistonthrottle valve slid ably mounted in the same,' a rod secured to saidvalve, a governor connected to said ually adjustable member.

rod to move the valve, and an auxiliary actuating rod between which andthe valve .there is provision for relative movement,

said rod being adapted to. engage the valve when the latter is moved tothrottle the mi ture.

An internal combustion engine having a carburetor, a mixing chamberadjacent thereto, a throttle valve in said chamber, agovernor-controlled actuating rod connected to said throttle valve andpassing out of one end of said mixing chamber, an auxiliary 'actuatingrod 'opei'atively related to .said valve and passing through the op 0-site end of said chamber,-an adjusta le spring for acting upon saidauxiliary rod to; cause the latter to oppose governor-controlledmovement of the valve, and an accelerating device normally disconnectedfrom the rod but adapted to be moved to control the same and supersedethe'governor control of the throttle valve.

(L A regulating mechanism for an internal combustion engine comprising athrotvtle valve, :1 speed governor tor controlling the same, and meansfor changing the controlling adjustment of the governor, said meanscomprising an auxiliary spring, an arm connected to vary the adjustmentof said spring. an upright sleeve member mounted to move said arm. amanually adgearing connection justable member, and I between saidupright member and said man 7. An internal combustion engine having afuel chamber, a piston throttle valve mounted to' control exit from saidchamber. a controlling rod secured to one end of sa d valve, :1 speedgovernor connected to said ,'l0(l and an auxiliary controlling 'rodextending in the opposite direction,

said'auxiliary controlling rod being operatively deconnected to varypendent connection to inseam tached from said valve when the engine atrest, but adapted to be moved to control said valve.

8. An internal throttle valve, a speed governor connectconibustionengine having ed to said throttle valve, an auxiliary controlling rodindependently controlling said valve, a spring adapted to act upon said'rod in opposition to said governoiylmeans for tensioning said spring,and an accelerating member connected to said rod to move the sameagainstthe action of the govengage the controlling. member positivelyto' move the same temporarily to supersede the control of the governor.-

10. The combination With an internal 'combustion engine, of a throttlevalve, :1

speed governor connected to move the same, means adapted yi'eldably tooppose the governor-actuated closing movement of the valve, and aconnection providing for lost motion to permit closing movement of the Ivalve prior to the opposing action of the yielilable means.

11. The combination with an internal coinbustion' eng ne. of a throttlevalve, :1 speed governor connected to move thesaine, and

an actuating member for moving the valve in opposition to thegovernor-actuated closing movement to supersede thelgovernor control;said actuating member having a. connection providing for lost motion topermit governor-actuated opening movement of the valve without movementof said actuating member. 12. A regulating device for an internalcombustion engine comprising. a throttle valve, a speed governor forcontrolling the same,'and means for changing the control-' lingadjustment of the governor, said means comprising an auxiliary spring, amember spring. a inanually-adjustable.ine nber for moving saidspring-,adpisting member and the adjustment of said a gearing betweenthe manually adjustable member and the spring-adjusting member.-

13. The combination with an internal combustion engine of a throttlevalve, a i

speed governor connected to the valve, a 'aive controlling member havingan indemeans adapted to presssaid valve controlling member in oppositiontothe governors actuated movement of the valve, means for the valve,yieldabled lOO "e ling the flow 0f gas fmm said ehamber,

$101 the valve is the exciusion e1 'ernor. e

15. regulamg mechamsm f ternal combustmn engine ceinprlsag member hregulating the pressure 05 saii means, and an accelerating memase toengage the controlling member to move the same temporarily t0 thecontrol .01 the governon 14. An internal cembustien engine ing a gaschamber, a throt'tie v2.1" em gre? and controlling means seine-ateauxlhary actuating r941 temporal throttle valve, a s'peei goyerner farcontrolling the same, and means for the controlling adjustment of thegovenser', said means comprising an auxiliary spring and a memberconnected to vary aim ment 0% said spring, said mem' ser ha motionconneetionwith said valve ting the latter to be opened by eaernorinclependentb of the at ijustlzzem said member,

16. A regulating mechanism for e, speed gevemof let .6 we means I01 snaping yieicliategv (levies, a

se -erse-ie Z eeteefiing M z'aviriing for wlthoiit moma 7 e2 me gevemer,

esponsive ogsen- 7 ,1 the pregame c'f

